julesh@fl @tito @noamzoam Oh, this is for the decision problem of β-equality for planar lambda terms; my original question was "which functions can be expressed in the language" (for linear, but planar is equally interesting)... I don't think they're necessarily the same, right?
GNU social JP is a social network, courtesy of GNU social JP管理人. It runs on GNU social, version 2.0.2-dev, available under the GNU Affero General Public License.
All GNU social JP content and data are available under the Creative Commons Attribution 3.0 license.